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3 years ago

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Two children are waiting to go down a slide the first child goes down and then stays sitting at the bottom of the slide if there

is no friction involved and all of the mechanical energy is conserved what would happen to the energy of the second child form the top of the slide

1 answer:

Anon25 [30]3 years ago

5 0

its b got it right on quiz

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An FM radio station broadcasts electromagnetic radiation at a frequency of 103.4 MHz (megahertz; MHz =106sâ€“1). Calculate the w

kap26 [50]

Answer:

$Wavelength=2.899\ m$

Explanation:

The relation between frequency and wavelength is shown below as:

$c=frequency\times Wavelength$

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Given, Frequency = 103.4 MHz = $103.4\times 10^{6}\ Hz$ ( as 1 MHz = 10⁶ Hz)

Thus, Wavelength is:

$Wavelength=\frac{c}{Frequency}$

$Wavelength=\frac{2.998\times 10^8}{103.4\times 10^{6}}\ m$

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3 years ago

A car travels 200 miles in 4 hours calculate the cars speed

Vaselesa [24]

Answer:

50 mph

Explanation:

To figure out how many miles per hour this car is going, we divide the distance traveled by the time it took.

200 ÷ 4 = 50

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2 years ago